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WorksheetsBIOTECHNOLOGY
Total questions: 10
Worksheet time: 5mins
What technique is used for separating DNA fragments?
Gel electrophoresis
Chromatography
Transformation
Transduction
DNA fragments are
negatively charged
neutral
either negatively or positively charged depending on their size
positively charged
Stirred-tank bioreactors have been designed for
Purification of the product
Ensuring anaerobic conditions in the culture vessel
availability of oxygen throughout the process
Addition of preservatives to the product
5%
which of the following is not a feature of plasmids?
Single stranded
Independent replication
Transferable
Circular structure
The DNA molecule to which the gene of interest is integrated for cloning is called
Transformer
Carrier
Vector
Template
The cutting of DNA at specific locations became possible with the discovery of
Selectable markers
Probes
Restriction enzymes
Ligases
What is the purpose of the polyethylene glycol method?
biodiesel production
energy production from sewage
gene transfer without a vector
seedless fruit production
What is a product of biotechnology?
transgenic crop (GM crop)
humulin
biofertilizer
All of these
What enzyme joins the ends of two strands of nucleic acid?
polymerase
synthetase
ligase
helicase
When separated on an agarose gel, DNA fragments can be visualized after staining with?
Acetocarmine
Aniline blue
Ethidium bromide
Bromophenol blue
